Heavy Hex Nuts

Heavy stainless steel hex nuts | Webber Crimpex

Product Dimensions

Parameter	Specification
Product Type	Heavy Hex Nut
Size Range	M12 – M64 (custom sizes available)
Material Options	Carbon Steel, Alloy Steel, Stainless Steel
Standards	DIN, ISO, ASTM A194, A563, BS
Surface Finish	Zinc Plated, Hot-dip Galvanized, Phosphate Coated, Black Oxide

Industrial Applications

Electrical Panels and Assemblies: Our stainless steel heavy hex nuts ensure strong attachment of heavy-duty electrical panels and assemblies.
Automotive and Transport Industry: Used in trailers, heavy vehicles, trucks, and railways for secure joints.
Construction and Structural Steelwork: We are a trusted heavy hex nuts manufacturer and supplier of steel nuts that connect steel beams, columns, and load-bearing structures.
Oil, Gas, and Petrochemical Plants: Industrial heavy hex nuts manufacturer skills allow for a secure fastening in pipelines, flanges, and pressure vessels.
Heavy-duty Components: Our heavy hex nuts provide vibration-resistant fastenings in turbines, boilers, and heavy-duty equipment.

Product Description

Our high-strength hex nuts have larger and thicker dimensions than standard hex nuts, with the added benefits of higher surface contact and resistance to loosening under vibration. Their larger size increases torque capacity as they are durable stainless steel nuts, which makes them ideal for situations that require significant fastening force. They are frequently employed in applications that require a very high tensile strength, including systems with pressure, heavy equipment, and connections in structural steel. Designed for industrial fastening heavy hex nuts applications, they are available in various material grades and finishes to meet diverse industrial requirements.

Product specifications

Nut Type: Hexagonal with increased thickness and width
Size Range: Metric M12 – M64; inch sizes also available (from 1/2″ to 4″)
Thread Type: Metric ISO coarse/fine, UNC/UNF, special threads on request
Material Options: Carbon steel, mild steel, stainless steel (304/316), alloy steel (Grade 2H, 4, 7, 8, 8M)
Surface Finish: Zinc plating, hot-dip galvanization, black oxide, phosphate coating, plain finish
Dimensions: Across flats and thickness greater than standard hex nuts per ASTM/DIN specifications
Strength Class: Available in ASTM A194 2H, ASTM A563 Grade C, D, and other high-strength grades
Tensile Strength: Up to 1,000 MPa depending on material grade
Hardness: Typically Rockwell C22–C35 (material dependent)
Operating Temperature: -50°C to +500°C depending on base material and heat treatment
Corrosion Resistance: Enhanced with stainless steel or coatings; suitable for outdoor and marine use
Applications: Structural joints, high-pressure pipelines, pressure vessels, heavy automotive, turbines
Standards/Compliance: DIN 934 (heavy series), ASTM A194, ASTM A563, ISO 4034 heavy series, BS standards
RoHS/REACH Compliance: Available for specific coatings and stainless versions